[v2.0.1] Release Tracker

[nateanl]

This issue is for tracking TODO lists which are supposed to be cherry-picked to the release branch. Following is release branch for the 2.0.1 release.

[mthrok]

#3230 resolves #3218, which existed since earlier release

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• [Cherry-pick 2.0.1] Fix virtual function issue with CTC decoder (#3230) #3238

[mthrok]

#3204 fixes issue with multiple formats, which existed since the initial release of StreamReader.

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• [Cherry-pick 2.0.1] Properly set #samples passed to encoder (#3204) #3239

[mthrok]

#3243 and #3248 fixes issue with FFmpeg backend which was introduced in 2.0

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• [Cherry-pick] Fix path-like object support in FFmpeg dispatcher (#3243, #3248) #3245

[nateanl]

#3252 and #3265 fix WavLM model when it is called in torch.no_grad().

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• [Cherry-pick] Use scaled_dot_product_attention in WavLM attention (#3252, #3265) #3264

[nateanl]

#3253 improves Wav2Vec2/HuBERT by using scaled_dot_product_attention to increase efficiency.

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• [Cherry-pick] Use scaled_dot_product_attention in Wav2vec2/HuBERT's SelfAttention (#3253) #3261